About the company
Mozilla Corporation is the non-profit-backed technology company behind Firefox, with more than 225 million people around the world using its products each month. The Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation.
Responsibilities
- Own and evolve architecture within a defined infrastructure domain
- Design and implement scalable, reliable systems spanning multiple teams or environments
- Establish and promote best practices, patterns, and standards within the domain
- Contribute to medium- and long-term technical strategy (typically 6-18 months)
- Lead delivery of ambiguous, high-impact infrastructure projects
- Drive migrations, re-architectures, and performance/reliability improvements
- Work across teams (IT, SRE, Security, Service Owners) to unify solutions
- Improve system reliability through monitoring, alerting, and operational design
- Contribute to defining SLIs/SLOs and capacity planning
- Participate in and lead root cause analysis for complex incidents
- Decrease operational toil through automation and system improvements
- Design and support core infrastructure components (compute, DNS, networking, identity)
- Build and improve automation using scripting and Infrastructure as Code
- Mentor engineers and guide system design and troubleshooting
- Maintain clear documentation, diagrams, and runbooks
Requirements
- 6+ years of experience in systems engineering or infrastructure roles
- Strong experience designing and operating production infrastructure
- Solid expertise in VMware, Cisco UCS, Application/Network Loadbalancers, Linux/Unix Operating Systems
- Networking fundamentals (DNS, TCP/IP, routing, firewalls)
- Data center environments
- Demonstrated ability to lead complex technical work across teams
- Preferred: Infrastructure as Code, Puppet/Ansible, Python
- Familiarity with observability tooling and reliability practices
- Experience with containerization and modern platform tooling
- Bonus: GitHub Enterprise Administration, User Access Management, GH Org/Repo Management, SSO/SCIM Integration, Policy Enforcement
Conditions
- Generous performance-based bonus plans
- Rich medical, dental, and vision coverage
- Generous retirement contributions with 100% immediate vesting
- Quarterly all-company wellness days
- Country-specific holidays plus a day off for your birthday
- One-time home office stipend
- Annual professional development budget
- Quarterly well-being stipend
- Considerable paid parental leave